adapting commit ac804143cf ("mmc: rockchip_sdhci: add phy and clock
config for rk3399") to fix the issue "Not found emmc phy device".

Signed-off-by: Yifeng Zhao <yifeng.zhao@rock-chips.com>
---

 arch/arm/dts/rk3399-u-boot.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/dts/rk3399-u-boot.dtsi b/arch/arm/dts/rk3399-u-boot.dtsi
index 73922c328a..716b9a433a 100644
--- a/arch/arm/dts/rk3399-u-boot.dtsi
+++ b/arch/arm/dts/rk3399-u-boot.dtsi
@@ -88,6 +88,10 @@
 	u-boot,dm-pre-reloc;
 };
 
+&emmc_phy {
+	u-boot,dm-pre-reloc;
+};
+
 &grf {
 	u-boot,dm-pre-reloc;
 };
-- 
2.17.1
